Which circumstance describes bias in an appraisal assignment?
Correct Answer
B) A predisposition that prevents impartial, independent or objective performance
Bias means a predisposition that prevents independent, impartial or objective performance. A difference between a value opinion and a later sale does not by itself establish bias, and an extraordinary assumption is a separate concept.
Why This Is the Correct Answer
Option B is correct because USPAP defines bias as a preference or inclination that precludes an appraiser's impartiality, independence or objectivity in an assignment. A predisposition that prevents impartial, independent or objective performance matches that definition. The focus is on the appraiser's inclination, not on later outcomes.
Why the Other Options Are Wrong
Option A: Any difference from a subsequent sale price
Option A is wrong because any difference from a subsequent sale price does not by itself establish bias. Markets change and buyers vary, so a later sale can differ from a credible value opinion without any predisposition on the appraiser's part.
Option C: The use of any extraordinary assumption at all in the appraisal assignment
Option C is wrong because using an extraordinary assumption is a recognized assignment condition, not bias. When used properly and disclosed, it reflects uncertain information rather than a preference that undermines impartiality.
Option D: Any disclosed uncertainty in the analysis
Option D is wrong because disclosing uncertainty in the analysis is transparent practice, not bias. Bias concerns a predisposition that undermines impartiality, which disclosure of uncertainty does not show.
Bias tilts the scale
Bias is a thumb on the scale before the weighing starts: a preference that blocks impartial, independent, objective work.
How to use: Use this when deciding whether an option describes a predisposition or just an outcome or disclosure.
Exam Tip
Look for wording about a preference, inclination or predisposition affecting impartiality. Outcome differences and properly disclosed assumptions are not bias in themselves.
Common Mistakes to Avoid
- -Treating any gap between the appraised value and a later sale price as proof of bias
- -Confusing the use of an extraordinary assumption with bias
- -Thinking that disclosing uncertainty signals a biased analysis
Concept Deep Dive
Analysis
This question tests the USPAP definition of bias. Bias is a preference or inclination that precludes impartiality, independence or objectivity in an assignment. Ordinary outcomes such as a later sale at a different price, or normal tools such as extraordinary assumptions and disclosed uncertainty, do not by themselves show bias.
Background Knowledge
USPAP's Ethics Rule prohibits performing an assignment with bias. Bias is defined by a preference or inclination that precludes impartiality, independence or objectivity. It is a separate concept from assignment conditions such as extraordinary assumptions and from differences between a value opinion and a later market transaction.
Real-World Application
An appraiser who has a personal stake in a neighboring development feels inclined to value the subject low. That inclination could preclude objectivity and is the kind of bias USPAP prohibits. By contrast, a value that differs from a sale price six months later is not proof of bias.
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